The Key Distinction Between Extrapolation and Interpolation Is That Interpolation

Multiple Choice

The key distinction between extrapolation and interpolation is that interpolation:

A) involves causal estimates, while extrapolation involves correlations.
B) involves linear functional forms, while extrapolation involves non-linear function forms.
C) fills data gaps, while extrapolation fills beyond the extent of the data.
D) can be used with control variables, while extrapolation must be used in conjunction with instrumental variables.